# Definitions Of Geometric Attributes In Manufacturing

All the **manufacturing processes** themselves must be done in ‘standards’. Production or manufacturing has lots of branches inside it. There are lots of departments in manufacturing sites that are working in a defined standards. In general, these standards must be fully defined in technical drawings of produced parts in a manufacturing site. In technical drawings, there are lots of standardized illustration rules to understood by its readers. One of these standardized rules are used in technical drawings is ‘geometric attributes’.

### What Are The Geometric Attributes In Manufacturing?

**Angularity**: With this geometric attribute in technical drawing, the angular relationships between different features of a part can be shown with respect to themselves. This is showing the relative angular position of a feature according to an another feature in technical drawing.

**Circularity or Roundness**: This is the geometric attribute that shows the features property that whether the whole points of this feature are equidistant to a specified point. This situations makes a circular relationship between the feature and a point.

**Cocentricity: **There can be circles, cylinders or cylinders that can be hollow in a technical drawing. And all of these circular geometries have an axis. If these axes are overlap to each other, there is a relation of cocentricity between these circular geometries.

**Cylindricity: **If a surface feature inside a technical drawing or in a part has a axis of revolution that the whole points of this surface are equidistant to that line, there is a geometrical property called as cylindricity.

**Flatness: **If the whole points of a geometric feature can be defined in a single plane, This geometric feature can be said as flat.

**Parallelism: **If the all points of a geometric feature such as line, plane etc. are equidistant to their conterparts on an another reference geometry, there is a parallel relationship between these geometric features.

**Perpendicularity or Squareness: **If the angular relationship between features is 90 degrees, these features are perpendicular to each other and there is a geometrical relationship between these geometrical features called as perpendicularity.

**Straightness: **The degree of a geometrical feature that is resembled as a straight line.

These are the generally used geometrical attributes in technical drawing and in the quality control processes of parts.

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